Experimental study of proplast for meatal reconstruction

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Abstract
Proplast was used in guinea pigs as a new alloplastic graft in reconstructing the posterior canal wall as an alternative to the use of other autografts. Proplast is a porous material made from Teflon fluorocarbon polymer and vitreous C fibers. Proplast appeared to be a very inert material which produced minimal inflammatory and/or foreign body reactions. It behaved better when it was covered with a layer of vascular living tissue, i.e., skin flap or whole muscle graft. It did not change its behavior whether or not soaked with plasma. The shape or size of the prosthesis had no apparent effect on its behavior, but further studies are needed to assess its biochemical behavior in the long term.

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